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ParallelEnumerable.WithCancellation(TSource) Method

Sets the CancellationToken to associate with the query.

Namespace:  System.Linq
Assembly:  System.Core (in System.Core.dll)

static member WithCancellation : 
        source:ParallelQuery<'TSource> * 
        cancellationToken:CancellationToken -> ParallelQuery<'TSource> 

Type Parameters


The type of elements of source.


Type: System.Linq.ParallelQuery(TSource)

A ParallelQuery on which to set the option.

Type: System.Threading.CancellationToken

A cancellation token.

Return Value

Type: System.Linq.ParallelQuery(TSource)
ParallelQuery representing the same query as source, but with the registered cancellation token.

Usage Note

In Visual Basic and C#, you can call this method as an instance method on any object of type ParallelQuery(TSource). When you use instance method syntax to call this method, omit the first parameter. For more information, see Extension Methods (Visual Basic) or Extension Methods (C# Programming Guide).


The CancellationTokenSource associated with the cancellationToken has been disposed.


source is a null reference (Nothing in Visual Basic).


WithCancellation is used multiple times in the query.

.NET Framework

Supported in: 4.5, 4

.NET Framework Client Profile

Supported in: 4

Portable Class Library

Supported in: Portable Class Library

.NET for Windows Store apps

Supported in: Windows 8

.NET for Windows Phone apps

Supported in: Windows Phone 8.1

Windows Phone 8.1, Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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